The present disclosure relates to a touch panel controller, a control information acquisition method and a touch display device in the field of display technology. The touch panel controller includes at least two conductive members and a rotating component. The rotating component includes a supporting component and a mounting component connected to each other. The mounting component is configured to have the at least two conductive members mounted thereon. One end of the supporting component is configured to determine a placement surface that is in contact with a touch panel. A distance between each of the at least two conductive members and the placement surface is less than a sensing distance, and the sensing distance is a distance at which a capacitance change caused by the conductive member is detectable by the touch panel. In the present disclosure, a plurality of rotatable conductive members in the controller are used to input a multi-point touch operation such as rotation or multi-point sliding, which solves the problem in the related art that it is difficult for the stylus to accomplish multi-point touch operations and achieves an effect of performing a variety of multi-point touch operations through the controller.
Legal claims defining the scope of protection, as filed with the USPTO.
1. A touch panel controller for driving a touch panel, comprising: at least two conductive members and a rotating component, wherein the rotating component comprises a supporting component and a mounting component connected to each other, the mounting component is configured to have the at least two conductive members mounted thereon, and the at least two conductive members are movable circularly round an axis of the rotating component under the drive of the rotating component; one end of the supporting component is configured to determine a placement surface that is in contact with the touch panel, a distance between each of the at least two conductive members and the placement surface is less than a sensing distance, and the sensing distance is a distance at which a capacitance change caused by the conductive member is detectable by the touch panel; and orthogonal projections of the at least two conductive members on the placement surface are at least two point projections, and a preset pattern is formable with the at least two point projections as vertices.
2. The touch panel controller according to claim 1 , wherein the number of the at least two conductive members is three, the preset pattern is an equilateral triangle, and a side length of the equilateral triangle is a first preset length.
3. The touch panel controller according to claim 1 , wherein the number of the at least two conductive members is six, the preset pattern is a regular hexagon, and a side length of the regular hexagon is a second preset length.
4. The touch panel controller according to claim 1 , wherein when the placement surface is in coplanar contact with a touch surface of the touch panel, each of the at least two conductive members is in contact with the touch surface, and the at least two conductive members are capable of rolling on the touch surface when moving circularly under the drive of the rotating component.
5. The touch panel controller according to claim 4 , wherein any one of the at least two conductive members has a spherical shape, a cylindrical shape, a circular truncated cone shape, or a conical shape.
6. The touch panel controller according to claim 4 , wherein each of the at least two conductive members is spherical, the mounting component comprises a mounting plate, at least two mounting holes are in the mounting plate, and the at least two conductive members are installed in the at least two mounting holes respectively; and the supporting component comprises a supporting plate, an annular through hole is in the supporting plate, a plate surface of the supporting plate is the placement surface, and the at least two conductive members are capable of rolling on the touch surface through the annular through hole when moving circularly.
7. The touch panel controller according to claim 6 , wherein the mounting plate is a circular mounting plate, and the mounting component further comprises a rotating housing fixedly connected to the mounting plate, the rotating housing comprises a cylindrical outer wall and a top cover, the cylindrical outer wall surrounds the mounting plate, an axis of the cylindrical outer wall is parallel to an axis of the mounting plate, and the top cover is disposed at an opening at one end of the cylindrical outer wall for sealing the opening.
8. The touch panel controller according to claim 6 , wherein a diameter of each of the at least two conductive members is greater than or equal to 3 mm, and a distance between any two conductive members is greater than or equal to 3 mm; and the supporting plate comprises an inner supporting plate and an outer supporting plate, the inner supporting plate is inside the annular through hole, the outer supporting plate is outside the annular through hole, the annular through hole is provided with a connection bar, and the connection bar is used to connect the inner supporting plate and the outer supporting plate.
9. The touch panel controller of claim 1 , wherein the number of the at least two conductive members is less than or equal to the number of touch points that the touch panel can identify.
10. The touch panel controller according to claim 1 , wherein the supporting component and the mounting component are rotatably connected, and a maximum static friction force between the supporting component and the touch surface of the touch panel is greater than a maximum static friction force between the supporting component and the mounting component.
11. A control information acquisition method for a touch panel controlled by a touch panel controller, wherein the touch panel controller comprises at least two conductive members and a rotating component, the rotating component comprises a supporting component and a mounting component connected to each other, the mounting component is configured to have the at least two conductive members mounted thereon, and the at least two conductive members are movable circularly round an axis of the rotating component under the drive of the rotating component; one end of the supporting component is configured to determine a placement surface that is in contact with the touch panel, a distance between each of the at least two conductive members and the placement surface is less than a sensing distance, and the sensing distance is a distance at which a capacitance change caused by the conductive member is detectable by the touch panel, and the orthogonal projections of the at least two conductive members on the placement surface are at least two point projections, a preset pattern is formable with the at least two point projections as vertices, and the method comprises: determining whether patterns formed with touch points on the touch surface as a vertex comprises the preset pattern; and determining that the touch panel controller exists on the touch surface when the patterns formed with the touch points on the touch surface as the vertex comprise the preset pattern; acquiring movement tracks of the at least two conductive members of the touch panel controller on a touch surface of the touch panel; and acquiring control information corresponding to the movement tracks according to a preset correlation.
12. A touch display device, comprising a touch display panel and a touch panel controller of claim 1 , wherein the touch display panel comprises a touch panel.
13. The touch display device according to claim 12 , wherein when the placement surface is in coplanar contact with a touch surface of the touch panel, each of the at least two conductive members is in contact with the touch surface of the touch panel, and the at least two conductive members are capable of rolling on the touch surface when moving circularly under the drive of the rotating component.
14. The touch display device according to claim 13 , wherein any one of the at least two conductive members has a spherical shape, a cylindrical shape, a circular truncated cone shape, or a conical shape.
15. The touch display device according to claim 13 , wherein each of the at least two conductive members is spherical, the mounting component comprises a mounting plate, at least two mounting holes are in the mounting plate, and the at least two conductive members are installed in the at least two mounting holes respectively; and the supporting component comprises a supporting plate, an annular through hole is in the supporting plate, a plate surface of the supporting plate is the placement surface, and the at least two conductive members are capable of rolling on the touch surface through the annular through hole when moving circularly.
16. The touch display device according to claim 15 , wherein the mounting plate is a circular mounting plate, and the mounting component further comprises a rotating housing fixedly connected to the mounting plate, the rotating housing comprises a cylindrical outer wall and a top cover, the cylindrical outer wall surrounds the mounting plate, an axis of the cylindrical outer wall is parallel to an axis of the mounting plate, and the top cover is disposed at an opening at one end of the cylindrical outer wall for sealing the opening.
17. The touch display device according to claim 15 , wherein a diameter of each of the at least two conductive members is greater than or equal to 3 mm, and a distance between any two conductive members is greater than or equal to 3 mm; and the supporting plate comprises an inner supporting plate and an outer supporting plate, the inner supporting plate is inside the annular through hole, the outer supporting plate is outside the annular through hole, the annular through hole is provided with a connection bar, and the connection bar is used to connect the inner supporting plate and the outer supporting plate.
18. A non-transitory computer-readable storage medium, comprising instructions stored therein, wherein the instructions, when executed by a processing component, cause the processing component to perform a control information acquisition method, the method comprising: determining whether patterns formed with touch points on a touch surface as a vertex comprises a preset pattern; and determining that a touch panel controller exists on the touch surface when the patterns formed with the touch points on the touch surface as a vertex comprise the preset pattern; acquiring movement tracks of at least two conductive members of the touch panel controller on a touch surface of the touch panel; and acquiring control information corresponding to the movement tracks according to a preset correlation, wherein the touch panel controller comprises at least two conductive members and a rotating component, the rotating component comprises a supporting component and a mounting component connected to each other, the mounting component is configured to have the at least two conductive members mounted thereon, and the at least two conductive members are movable circularly round an axis of the rotating component under the drive of the rotating component; one end of the supporting component is configured to determine a placement surface that is in contact with the touch panel, a distance between each of the at least two conductive members and the placement surface is less than a sensing distance, and the sensing distance is a distance at which a capacitance change caused by the conductive member is detectable by the touch panel; orthogonal projections of the at least two conductive members on the placement surface are at least two point projections, and the preset pattern is formable with the at least two point projections as vertices.
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May 23, 2018
May 26, 2020
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